Add test case for int16 type

cover_int16_test.go

@@ -408,6 +408,29 @@ func TestCoverInt16(t *testing.T) {
 			}{A: nil, B: nil},
 		},
 
+		// PtrHeadInt16NilMultiFields
+		{
+			name: "PtrHeadInt16NilMultiFields",
+			data: (*struct {
+				A int16 `json:"a"`
+				B int16 `json:"b"`
+			})(nil),
+		},
+		{
+			name: "PtrHeadInt16NilMultiFieldsOmitEmpty",
+			data: (*struct {
+				A int16 `json:"a,omitempty"`
+				B int16 `json:"b,omitempty"`
+			})(nil),
+		},
+		{
+			name: "PtrHeadInt16NilMultiFieldsString",
+			data: (*struct {
+				A int16 `json:"a,string"`
+				B int16 `json:"b,string"`
+			})(nil),
+		},
+
 		// PtrHeadInt16NilMultiFields
 		{
 			name: "PtrHeadInt16NilMultiFields",